CN216708770U

CN216708770U - Doctor blade rest for printing machine

Info

Publication number: CN216708770U
Application number: CN202121980094.5U
Authority: CN
Inventors: 程世国
Original assignee: Galaxy Packaging Technology Kunshan Co ltd
Current assignee: Galaxy Packaging Technology Kunshan Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-06-10
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a doctor blade knife rest for a printing machine, which comprises a shell, wherein a through groove is formed in one side of the shell, a fixing plate is arranged in the shell, an accommodating groove is formed in the fixing plate, an angle adjusting mechanism is arranged in the accommodating groove and comprises a doctor blade and a worm, the doctor blade is arranged in the accommodating groove, two ends of the doctor blade are respectively and rotatably connected with two sides in the accommodating groove, the cross section of the bottom of the doctor blade is arc-shaped and provided with a turbine groove, the worm is arranged in the accommodating groove, and one end of the worm is rotatably connected with the accommodating groove. According to the utility model, the fixing plate can be driven to slide in the shell by rotating the second knob, so that the extending length of the fixing plate in the shell can be adjusted, the extending length of the doctor blade can be adjusted, the distance between the doctor blade and the printing roller can be adjusted, and the service life of the doctor blade can be prolonged.

Description

Doctor blade rest for printing machine

Technical Field

The utility model relates to the field of printing machines, in particular to a doctor blade rest for a printing machine.

Background

At present, in the field of printing equipment, because flexographic printing is suitable for various flexible, rigid and rough-surface printing materials, the production cost is lower, the production synchronization is short, and the flexible relief printing plate with high elasticity has the characteristics of anilox roller inking and the like, and has wide prospects in large-scale production. In flexographic printing, in order to achieve a fine print, a chambered doctor blade system is generally provided in the printing press.

The existing ink scraping knife rest on the market is generally of a fixed structure, and the position of the ink scraping knife cannot be finely adjusted after the ink scraping knife is installed, so that the ink scraping knife is installed and is not matched with a printing roller after being used for a long time or the ink scraping knife is used for a long time, and the using effect of the ink scraping knife is influenced.

Therefore, there is a need for a doctor blade holder for a printing press that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a doctor blade holder for a printing machine, which can adjust the extending length of a fixing plate in a shell by rotating a second knob to drive the fixing plate to slide in the shell, and further adjust the extending length of a doctor blade so as to adjust the distance between the doctor blade and a printing roller, thereby being beneficial to prolonging the service life of the doctor blade and solving the defects in the technology.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a doctor blade knife rest for printing machine, includes the casing, casing one side is equipped with logical groove, the inside fixed plate that is equipped with of casing, the holding tank has been seted up to the fixed plate inside, the inside angle adjustment mechanism that is equipped with of holding tank, angle adjustment mechanism includes doctor blade and worm, the doctor blade sets up inside the holding tank, the doctor blade both ends are rotated with the inside both sides of holding tank respectively and are connected, doctor blade bottom cross sectional shape establishes to the arc and has seted up the turbine groove, the worm sets up inside the holding tank, worm one end is rotated with the holding tank and is connected, the worm other end runs through the fixed plate and extends to logical inslot portion, the fixed plate bottom is equipped with interval adjustment mechanism.

Preferably, the interval adjusting mechanism comprises a fixed rod, the fixed rod is arranged inside the shell, the bottom of the fixed rod is fixedly connected with the bottom of the shell, sliding grooves are formed in the two sides of the fixed rod, a limiting sleeve is arranged inside the sliding grooves in a sliding mode, the limiting sleeve is connected with the sliding grooves in a sliding mode, supporting rods are arranged on the two sides of the limiting sleeve in a hinged mode, one end, away from the limiting sleeve, of each supporting rod is hinged to the fixed plate, a bidirectional threaded rod is arranged inside the limiting sleeve in a penetrating mode, the bidirectional threaded rod is connected with the two limiting sleeves in a threaded mode respectively, one end of the bidirectional threaded rod is connected with one of the sliding grooves in a sliding mode, and the other end of the bidirectional threaded rod penetrates through the shell and extends to the outer side of the shell.

Preferably, one end of the worm, which is far away from the fixing plate, is provided with a first knob, the surface of the first knob is provided with a first limiting groove, and the first knob is matched with the through groove.

Preferably, the top of the fixing rod is provided with a stabilizing rod, the bottom of the fixing plate is provided with a stabilizing groove, and the stabilizing rod is matched with the stabilizing groove.

Preferably, the casing bottom is equipped with the mounting panel, the mounting hole has been seted up on the mounting panel surface, the mounting hole quantity is established to a plurality ofly, and is a plurality of the mounting hole evenly distributed.

Preferably, one end of the bidirectional threaded rod, which is far away from the shell, is provided with a second knob, the surface of the second knob is provided with a second limiting groove, and the abutting rod is obliquely arranged.

In the technical scheme, the utility model provides the following technical effects and advantages:

1. the fixing plate is driven to slide in the shell by rotating the second knob, so that the extending length of the fixing plate in the shell can be adjusted, the extending length of the doctor blade is adjusted, the distance between the doctor blade and the printing roller is adjusted, and the service life of the doctor blade is prolonged;

2. can drive the worm through rotatory first knob and rotate to make the worm drive the ink scraping blade bottom and encircle its pin joint and deflect, thereby can adjust the angle of ink scraping blade, and then can make ink scraping blade and the printing roller that uses more laminate.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the housing of the present invention;

FIG. 3 is a schematic cross-sectional view of a fixing plate according to the present invention;

FIG. 4 is an enlarged view of the portion A of FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of the portion B of FIG. 2 according to the present invention.

Description of reference numerals:

1. a housing; 2. a through groove; 3. a fixing plate; 4. accommodating grooves; 5. a doctor blade; 6. a worm; 7. fixing the rod; 8. a chute; 9. a limiting sleeve; 10. a support rod; 11. a bidirectional threaded rod; 12. a first knob; 13. a stabilizer bar; 14. mounting a plate; 15. mounting holes; 16. a second knob.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

The utility model provides a doctor blade holder for a printing machine, which comprises a shell 1, wherein a through groove 2 is formed in one side of the shell 1, a fixing plate 3 is arranged in the shell 1, an accommodating groove 4 is formed in the fixing plate 3, an angle adjusting mechanism is arranged in the accommodating groove 4 and comprises a doctor blade 5 and a worm 6, the doctor blade 5 is arranged in the accommodating groove 4, two ends of the doctor blade 5 are respectively and rotatably connected with two sides in the accommodating groove 4, the cross section of the bottom of the doctor blade 5 is arc-shaped and provided with a turbine groove, the worm 6 is arranged in the accommodating groove 4, one end of the worm 6 is rotatably connected with the accommodating groove 4, the other end of the worm 6 penetrates through the fixing plate 3 and extends into the through groove 2, and an interval adjusting mechanism is arranged at the bottom of the fixing plate 3.

Further, in the above technical scheme, the interval adjustment mechanism includes a fixed rod 7, the fixed rod 7 is disposed inside the casing 1, the bottom of the fixed rod 7 is fixedly connected with the bottom of the casing 1, sliding grooves 8 are formed in both sides of the fixed rod 7, limiting sleeves 9 are slidably disposed inside the sliding grooves 8, the limiting sleeves 9 are slidably connected with the sliding grooves 8, abutting rods 10 are respectively and hingedly disposed on both sides of the limiting sleeves 9, one ends, away from the limiting sleeves 9, of the abutting rods 10 are hinged to the fixed plate 3, two-way threaded rods 11 are penetratingly disposed inside the limiting sleeves 9, the two-way threaded rods 11 are respectively in threaded connection with the two limiting sleeves 9, one ends of the two-way threaded rods 11 are slidably connected with one of the sliding grooves 8, and the other ends of the two-way threaded rods 11 penetrate through the casing 1 and extend to the outside of the casing 1.

Further, in the above technical scheme, one end of the worm 6, which is far away from the fixing plate 3, is provided with a first knob 12, a first limit groove is formed in the surface of the first knob 12, the first knob 12 is matched with the through groove 2, and the first knob 12 is arranged to facilitate the rotation operation of the worm 6.

Further, in the above technical solution, the top of the fixing rod 7 is provided with a stabilizing rod 13, the bottom of the fixing plate 3 is provided with a stabilizing groove, the stabilizing rod 13 is matched with the stabilizing groove, and the stabilizing rod 13 and the stabilizing groove are provided to improve the stability of the fixing plate 3 when sliding in the housing 1.

Further, in above-mentioned technical scheme, casing 1 bottom is equipped with mounting panel 14, mounting hole 15 has been seted up on mounting panel 14 surface, mounting hole 15 quantity is established to a plurality ofly, and is a plurality of mounting hole 15 evenly distributed, mounting panel 14 do benefit to the convenience with being provided with of mounting hole 15 and install the operation to the device.

Further, in the above technical solution, a second knob 16 is disposed at one end of the bidirectional threaded rod 11 away from the housing 1, a second limit groove is disposed on a surface of the second knob 16, and the abutting rod 10 is disposed in an inclined manner.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, when the device is used, the two-way threaded rod 11 can be rotated by rotating the second knob 16, so that the two limit sleeves 9 in threaded connection with the two-way threaded rod 11 slide in the sliding grooves 8, the limit sleeves 8 drive one ends of the abutting rods 10 to move, the abutting rods 11 rotate around the hinged points of the abutting rods and drive the fixing plates 3 to slide in the shell 1, the extending length of the fixing plates 3 in the shell can be adjusted, the extending length of the doctor blade 5 is adjusted, and the distance between the doctor blade 5 and a printing roller is adjusted;

referring to the attached drawings 1-5 of the specification, when the device is used, the worm 6 can be driven to rotate by rotating the first knob 12, so that the worm 6 drives the bottom of the doctor blade 5 to deflect around the hinged point of the doctor blade 5, the angle of the doctor blade 5 can be adjusted, and the doctor blade 5 can be attached to a printing roller used.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A doctor blade holder for a printing machine, comprising a housing (1), characterized in that: a through groove (2) is arranged at one side of the shell (1), a fixing plate (3) is arranged in the shell (1), an accommodating groove (4) is formed in the fixing plate (3), an angle adjusting mechanism is arranged in the accommodating groove (4), the angle adjusting mechanism comprises a doctor blade (5) and a worm (6), the doctor blade (5) is arranged in the accommodating groove (4), two ends of the doctor blade (5) are respectively and rotatably connected with two sides inside the accommodating groove (4), the cross section of the bottom of the doctor blade (5) is arc-shaped and provided with a turbine groove, the worm (6) is arranged in the accommodating groove (4), worm (6) one end is rotated with holding tank (4) and is connected, inside worm (6) other end run through fixed plate (3) and extend to logical groove (2), fixed plate (3) bottom is equipped with interval adjustment mechanism.

2. A doctor blade holder for a printing press as claimed in claim 1, wherein: the distance adjusting mechanism comprises a fixed rod (7), the fixed rod (7) is arranged in the shell (1), the bottom of the fixed rod (7) is fixedly connected with the bottom of the shell (1), sliding grooves (8) are respectively arranged at the two sides of the fixed rod (7), a limiting sleeve (9) is arranged in the sliding groove (8) in a sliding manner, the limiting sleeve (9) is connected with the sliding groove (8) in a sliding manner, two sides of the limiting sleeve (9) are hinged with abutting rods (10), one end of each abutting rod (10) far away from the limiting sleeve (9) is hinged with the fixing plate (3), a bidirectional threaded rod (11) penetrates through the limiting sleeve (9), the bidirectional threaded rod (11) is respectively in threaded connection with the two limiting sleeves (9), one end of the bidirectional threaded rod (11) is connected with one sliding chute (8) in a sliding way, the other end of the bidirectional threaded rod (11) penetrates through the shell (1) and extends to the outer side of the shell (1).

3. A doctor blade holder for a printing press as claimed in claim 1, wherein: one end, far away from the fixed plate (3), of the worm (6) is provided with a first knob (12), the surface of the first knob (12) is provided with a first limiting groove, and the first knob (12) is matched with the through groove (2).

4. A doctor blade holder for a printing press as claimed in claim 2, wherein: the top of the fixing rod (7) is provided with a stabilizing rod (13), the bottom of the fixing plate (3) is provided with a stabilizing groove, and the stabilizing rod (13) is matched with the stabilizing groove.

5. A doctor blade holder for a printing press as claimed in claim 1, wherein: casing (1) bottom is equipped with mounting panel (14), mounting hole (15) have been seted up on mounting panel (14) surface, mounting hole (15) quantity is established to a plurality ofly, and is a plurality of mounting hole (15) evenly distributed.

6. A doctor blade holder for a printing press as claimed in claim 2, wherein: one end, far away from the shell (1), of the bidirectional threaded rod (11) is provided with a second knob (16), the surface of the second knob (16) is provided with a second limiting groove, and the abutting rod (10) is arranged in an inclined mode.